You are in a sharded cluster. What will you do prior to initiating backup in sharded cluster?
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Correct Answer:
C
Q: 3
Using an arbiter allows one to easily ensure an odd number of voters in replica sets. Why is this
important?
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Correct Answer:
B
Q: 4
You have a replicated cluster with 1 primary, 3 secondary, 1 arbiter. One of the secondary is hidden.
What is the replication factor of this replicated cluster?
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Correct Answer:
C
Q: 5
Which of the following operator can be used to control the number of items of an array that a query
returns?
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Correct Answer:
B
Q: 6
What is the on-premise solution having functionality equivalent to cloud manager?
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Correct Answer:
C
Q: 7
Which of the following does MongoDB use to provide High Availability and fault tolerance?
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Correct Answer:
C
Q: 8
Which of the following commands finds all the documents in the posts collection with post
timestamp field as null?
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Correct Answer:
B
Q: 9
Consider that you have a collection called population which has fields state and city. Which of the
following query will calculate the population grouped by state and city?
